Method:
Chop vegetables into long thin pieces and boil in water adding turmeric powder till the veggies are fully cooked. Drain excess water. Let it cool.
Grind coconut, jeera, chilli and cashews to a smooth paste adding some water.
Add this paste and boiled veggies to yogurt. Add salt and hing. Drizzle coconut oil on top and garnish with curry leaves.
Stir well and serve with rice or adai.

If the gravy is thin, add some more yogurt. If it is very thick, add some left over water used for boiling the veggies.